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Canister for vehicle having auxiliary canister

a technology for canisters and vehicles, applied in machines/engines, separation processes, transportation and packaging, etc., can solve problems such as the generation of harmful gases, such as hydrocarbons, and achieve the effect of reducing bleed emission

Inactive Publication Date: 2017-10-26
LEEHAN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a canister for a vehicle that has an auxiliary canister to reduce bleed emission. The auxiliary canister has a trapping member made of plastic material with adsorbent material applied to it to reduce ventilation resistance and minimize the occurrence of bleed emission. The canister can be manufactured using spray coating or dipping methods, and the thickness of the activated carbon layer can be adjusted for different HC trapping capacity requirements.

Problems solved by technology

When the temperature of the gasoline within the fuel tank rises as described above, a harmful gas, such as hydrocarbon (HC), may be generated.

Method used

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  • Canister for vehicle having auxiliary canister
  • Canister for vehicle having auxiliary canister
  • Canister for vehicle having auxiliary canister

Examples

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Embodiment Construction

[0031]Hereinafter, a canister for a vehicle having an auxiliary canister, according to an embodiment of the present invention, will be described in detail.

[0032]The canister 100 for a vehicle, which has the auxiliary canister, according to the embodiment of the present invention, in which the auxiliary canister 120 is provided on a side of the main canister 110 and a second trapping member 122 formed of a plastic material, to which an adsorbent material is applied, is installed within the auxiliary canister 120, may prevent a ventilation resistance increase generated by using an existing powder form of adsorbent material, and may consequently enhance trapping efficiency, such as minimizing bleed emission, etc. Alternatively, it should be understood that the second trapping member 122 may be formed of various types of ceramic material, although the present disclosure mainly focuses upon the use of plastic material.

[0033]Referring to FIGS. 2 and 3, the canister 100 for a vehicle, whic...

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Abstract

Disclosed is a canister for a vehicle having an auxiliary canister, which includes: a main canister that has an inlet and an outlet formed therein, an evaporation gas being introduced into the main canister through the inlet from a fuel tank and the evaporation gas introduced through the inlet being discharged through the outlet to the intake side of an engine when the engine is driven, and has a trapping member therein; and an auxiliary canister that is installed to communicate with the main canister to allow external air to be introduced into the main canister or to allow the evaporation gas to flow when the engine is turned off, and has a second trapping member therein, wherein the auxiliary canister includes the second trapping member therein, which has a plurality of pores in the form of a honeycomb.

Description

BACKGROUND OF THE INVENTION1. Field of the invention[0001]The present invention relates to a canister for a vehicle, and more specifically, to a canister for a vehicle having an auxiliary canister that can minimize bleed emission by effectively trapping an evaporation gas within the canister.2. Description of the Prior Art[0002]In general, gasoline stored in a fuel tank is fed into an engine by a fuel pump, and the unused fuel is sent back to the fuel tank. The fuel sent back to the fuel tank rises in temperature by the heat generated when the engine is driven, and in a case where the ambient temperature rises to a high temperature, as in the summer, the temperature of the gasoline within the fuel tank further rises.[0003]When the temperature of the gasoline within the fuel tank rises as described above, a harmful gas, such as hydrocarbon (HC), may be generated. The generated harmful gas is discharged to the outside of the fuel tank through a pipeline coupled to the fuel tank, and a...

Claims

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Application Information

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IPC IPC(8): B01D53/04F02M25/08
CPCB01D53/0415F02M25/0854B01D2259/4566B01D2259/4516B01D2253/102B60K15/03504F02M2025/0863
Inventor PARK, MIN YOUNGCHO, CHEONG YONG
Owner LEEHAN CORP
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